Applications
Eye-safe (1.5μm) optical fibre lasers
Laser range finding
Laser radars
Characteristics
Better fibre reliability
High birefringence
Low splicing loss
Specifications
| Fibre type | EYMF 9/125-0.12/250 (DC) | PM EYMF 9/125-0.12/250 |
|---|---|---|
| Optical specifications | ||
| Operating wavelength (nm) | 1530-1625 | 1530-1625 |
| Core NA | 0.12±0.01 | 0.12±0.01 |
| First cladding NA | ≥0.46 | ≥0.46 |
| Mode field diameter@1550nm (μm) | 10.5±0.5 | 10.5±0.7 |
| Cutoff (nm) | ≤1500 | ≤1500 |
| Core attenuation@1550nm (dB/km) | ≤0.5 | ≤2.0 |
| Cladding attenuation@1095nm (dB/km) | ≤15.0 | ≤15.0 |
| Birefringence | - | ≥2.5×10⁻⁴ |
| Geometrical and mechanical specifications | ||
| Core diameter (μm) | 9.0 ± 1.0 | 9.0 ± 1.0 |
| Cladding diameter (μm) | 125.0±1.0 | 125.0±1.0 |
| Coating diameter (μm) | 245.0 ± 5 | 245.0 ± 5 |
| Core/Cladding offset (μm) | ≤ 0.5 | ≤ 0.5 |
| Cladding non-circularity (%) | ≤1.0 | ≤1.0 |
| Prooftest level (kpsi) | ≥ 100 | ≥ 100 |
| Coating material | Low refractive index acrylate | Low refractive index acrylate |
| Polarization maintaining structure | - | Panda type |
| Environmental specifications | ||
| Operating temperature range (°C) | -45 ~ 85 (customizable for 125°C) | -45 ~ 85 (customizable for 125°C) |